#1D5582#1D5582

#1D5582 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.6% C 0.094 H 246.7°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#1D5582
RGBrgb(29, 85, 130)
HSLhsl(207, 64%, 31%)
HSVhsv(207, 78%, 51%)
CMYKcmyk(77.7%, 34.6%, 0%, 49%)
CIE-LABlab(34.74, -1.58, -30.44)
CIE-LCHlch(34.74, 30.48, 267.02°)
OKLaboklab(43.6% -0.0372 -0.0864)
OKLCHoklch(43.6% 0.094 246.7)
XYZxyz(7.7829, 8.3690, 22.3200)
Luminance0.0837 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D5582 #824A1D
analogous
#1D827C #1D5582 #1D2282
triadic
#1D5582 #821D55 #55821D
tetradic
#1D5582 #7C1D82 #824A1D #22821D
square
#1D5582 #7C1D82 #824A1D #22821D
split-complementary
#1D5582 #821D22 #827C1D
monochromatic
#07141E #123450 #1D5582 #2876B4 #4495D5

Accessibility & contrast

On white

7.85
#1D5582 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#1D5582 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5582
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D5582#FFFFFF#000000##FFFFFF
##1D55821.007.852.677.85
#FFFFFF7.851.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405784
Deuteranopia (green-blind)
#324D81
Tritanopia (blue-blind)
#006065
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1d5582;
/* rgb */ color: rgb(29, 85, 130);
/* oklch */ color: oklch(43.6% 0.094 246.7);
Tailwind
colors: {
  custom: {
    50: '#6884a6',
    500: '#1d5582',
    950: '#000000',
  },
}
SCSS
$custom: #1d5582;
$custom-light: #6884a6;
$custom-dark: #000000;
JSON
{
  "hex": "#1d5582",
  "rgb": {
    "r": 29,
    "g": 85,
    "b": 130
  },
  "hsl": {
    "h": 206.733,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.43604,
    "c": 0.09413,
    "h": 246.7
  },
  "luminance": 0.0837
}

Semantic roles & 50–950 ramp

primary
#1D5582
secondary
#B57746
accent
#8B41E7
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1D5582

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#1D5582 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva